hex is a String class method in Ruby which is used to treats the leading characters from the given string as a string of hexadecimal digits (with an optional sign and an optional 0x) and returns the corresponding number. Zero is returned on error.
Syntax: str.hex
Parameters: Here, str is the given string.
Returns: A corresponding number.
Example 1:
# Ruby program to demonstrate # the hex method # Taking a string and # using the method puts "123678".hex
puts "Ruby".hex
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Output:
1193592 0
Example 2:
# Ruby program to demonstrate # the hex method # Taking a string and # using the method puts "-87673".hex
puts "0x876adc".hex
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Output:
-554611 8874716